Annual Bluegrass, Annual Blue Grass
Poa annua
Synonyms: Poa annua var. aquatica, Poa annua var. reptans
Close-up view of the inflorescence of annual bluegrass as seen at the parking area for Catherine Creek, Columbia River Gorge........May 20, 2011.
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Additional photos of annual bluegrass as seen at the parking area for Catherine Creek, Columbia River Gorge........May 20, 2011.
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Additional close-up photos of the inflorescence of annual bluegrass as seen along the Springwater Trail at the southeastern corner of Powell Butte to the west of Gresham, OR.........May 23, 2011.
Paul Slichter